Industry Grade and Food Grade Sodium Metabisulphite

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: CCIC, CIQ
• Purity: 90%~99%
• Type: Sodium Metabisulfite
• Model NO.: 97
• Appearance: Powder
• Grade Standard: Industrial Grade
• Delivery Time: 7 Days
• Application: Food
• Transport Package: 25kgs Bag
• Specification: SMBS 97%
• Trademark: okay
• Origin: China
• HS Code: 28321000
• Production Capacity: 100000mt/Month

Product Description

 

 

Items	Specification
Content(Na2S2O5)	98% min.
SO2	65% min.
Iron(Fe)	0.0003% max
As	0.0001%max
Water Insoluble Matter	0.02% max
PB	0.0005% max
PH	4-4.8

 

Usage:

Chemical industry
It is used for the production of insurance powder, sulfamethazine, analgin, caprolactam, etc., phenylpropane sulfone and benzaldehyde. The photographic industry is used as a fixative for the fixer. The perfume industry is used to produce vanillin. Used as a preservative for brewing industry, a rubber coagulant and a bleaching agent for cotton bleaching. Organic intermediates, dyes, and tanning are used as reducing agents for electroplating, wastewater treatment in oil fields, and as a mineralizer for mines.
industry
It is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; as a preservative, bleaching agent and loosening agent in food processing.
Used as a chemical reagent
(Printing and dyeing, photography, etc.), used as bleach mordant, reducing agent rubber coagulant, also used in organic synthetic pharmaceuticals and spices.

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